Home / 133,109.27-183,664.03-84,730.67

Finding the Fourth Proportional to 133,109.27, 183,664.03 and 84,730.67

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Solution

The fourth proportional to 133,109.27, 183,664.03 and 84,730.67 is: 116,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,109.27 : 183,664.03 = 84,730.67 : x
  2. Step 2: Convert to fraction form
    133,109.27/183,664.03 = 84,730.67/x
  3. Step 3: Cross multiply
    133,109.27x = 183,664.03 × 84,730.67
  4. Step 4: Simplify right side
    133,109.27x = 15,561,976,316.80
  5. Step 5: Solve for x
    x = 15,561,976,316.80/133,109.27
  6. Step 6: Final answer
    x = 116,911.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.